A senior Russian army lieutenant who fled Russia told ABC News he witnessed his country's troops torture prisoners in Ukraine, including beating and threats to rape them. Yefremov said he and other Russian officers secretly moved the injured Ukrainian to a Russian military hospital, dressing him up in a Russian army uniform because they feared doctors there would refuse to treat him or that wounded Russian soldiers might even kill him. Yefremov was the lead officer of a mine-clearing unit and he said previously he had worked on demining areas of Chechnya